layui.define(function (exports) {
    var MOD_NAME = 'lunar';
    /**用法
     * Lunar.toSolar(2016, 6, 3); 农历转化公历
     * Lunar.toLunar(2016, 7, 6); 公历转化农历
     */
    var Lunar = {
        MIN_YEAR: 1891,
        MAX_YEAR: 2100,
        lunarInfo: [
            [0, 2, 9, 21936], [6, 1, 30, 9656], [0, 2, 17, 9584], [0, 2, 6, 21168], [5, 1, 26, 43344], [0, 2, 13, 59728],
            [0, 2, 2, 27296], [3, 1, 22, 44368], [0, 2, 10, 43856], [8, 1, 30, 19304], [0, 2, 19, 19168], [0, 2, 8, 42352],
            [5, 1, 29, 21096], [0, 2, 16, 53856], [0, 2, 4, 55632], [4, 1, 25, 27304], [0, 2, 13, 22176], [0, 2, 2, 39632],
            [2, 1, 22, 19176], [0, 2, 10, 19168], [6, 1, 30, 42200], [0, 2, 18, 42192], [0, 2, 6, 53840], [5, 1, 26, 54568],
            [0, 2, 14, 46400], [0, 2, 3, 54944], [2, 1, 23, 38608], [0, 2, 11, 38320], [7, 2, 1, 18872], [0, 2, 20, 18800],
            [0, 2, 8, 42160], [5, 1, 28, 45656], [0, 2, 16, 27216], [0, 2, 5, 27968], [4, 1, 24, 44456], [0, 2, 13, 11104],
            [0, 2, 2, 38256], [2, 1, 23, 18808], [0, 2, 10, 18800], [6, 1, 30, 25776], [0, 2, 17, 54432], [0, 2, 6, 59984],
            [5, 1, 26, 27976], [0, 2, 14, 23248], [0, 2, 4, 11104], [3, 1, 24, 37744], [0, 2, 11, 37600], [7, 1, 31, 51560],
            [0, 2, 19, 51536], [0, 2, 8, 54432], [6, 1, 27, 55888], [0, 2, 15, 46416], [0, 2, 5, 22176], [4, 1, 25, 43736],
            [0, 2, 13, 9680], [0, 2, 2, 37584], [2, 1, 22, 51544], [0, 2, 10, 43344], [7, 1, 29, 46248], [0, 2, 17, 27808],
            [0, 2, 6, 46416], [5, 1, 27, 21928], [0, 2, 14, 19872], [0, 2, 3, 42416], [3, 1, 24, 21176], [0, 2, 12, 21168],
            [8, 1, 31, 43344], [0, 2, 18, 59728], [0, 2, 8, 27296], [6, 1, 28, 44368], [0, 2, 15, 43856], [0, 2, 5, 19296],
            [4, 1, 25, 42352], [0, 2, 13, 42352], [0, 2, 2, 21088], [3, 1, 21, 59696], [0, 2, 9, 55632], [7, 1, 30, 23208],
            [0, 2, 17, 22176], [0, 2, 6, 38608], [5, 1, 27, 19176], [0, 2, 15, 19152], [0, 2, 3, 42192], [4, 1, 23, 53864],
            [0, 2, 11, 53840], [8, 1, 31, 54568], [0, 2, 18, 46400], [0, 2, 7, 46752], [6, 1, 28, 38608], [0, 2, 16, 38320],
            [0, 2, 5, 18864], [4, 1, 25, 42168], [0, 2, 13, 42160], [10, 2, 2, 45656], [0, 2, 20, 27216], [0, 2, 9, 27968],
            [6, 1, 29, 44448], [0, 2, 17, 43872], [0, 2, 6, 38256], [5, 1, 27, 18808], [0, 2, 15, 18800], [0, 2, 4, 25776],
            [3, 1, 23, 27216], [0, 2, 10, 59984], [8, 1, 31, 27432], [0, 2, 19, 23232], [0, 2, 7, 43872], [5, 1, 28, 37736],
            [0, 2, 16, 37600], [0, 2, 5, 51552], [4, 1, 24, 54440], [0, 2, 12, 54432], [0, 2, 1, 55888], [2, 1, 22, 23208],
            [0, 2, 9, 22176], [7, 1, 29, 43736], [0, 2, 18, 9680], [0, 2, 7, 37584], [5, 1, 26, 51544], [0, 2, 14, 43344],
            [0, 2, 3, 46240], [4, 1, 23, 46416], [0, 2, 10, 44368], [9, 1, 31, 21928], [0, 2, 19, 19360], [0, 2, 8, 42416],
            [6, 1, 28, 21176], [0, 2, 16, 21168], [0, 2, 5, 43312], [4, 1, 25, 29864], [0, 2, 12, 27296], [0, 2, 1, 44368],
            [2, 1, 22, 19880], [0, 2, 10, 19296], [6, 1, 29, 42352], [0, 2, 17, 42208], [0, 2, 6, 53856], [5, 1, 26, 59696],
            [0, 2, 13, 54576], [0, 2, 3, 23200], [3, 1, 23, 27472], [0, 2, 11, 38608], [11, 1, 31, 19176], [0, 2, 19, 19152],
            [0, 2, 8, 42192], [6, 1, 28, 53848], [0, 2, 15, 53840], [0, 2, 4, 54560], [5, 1, 24, 55968], [0, 2, 12, 46496],
            [0, 2, 1, 22224], [2, 1, 22, 19160], [0, 2, 10, 18864], [7, 1, 30, 42168], [0, 2, 17, 42160], [0, 2, 6, 43600],
            [5, 1, 26, 46376], [0, 2, 14, 27936], [0, 2, 2, 44448], [3, 1, 23, 21936], [0, 2, 11, 37744], [8, 2, 1, 18808],
            [0, 2, 19, 18800], [0, 2, 8, 25776], [6, 1, 28, 27216], [0, 2, 15, 59984], [0, 2, 4, 27424], [4, 1, 24, 43872],
            [0, 2, 12, 43744], [0, 2, 2, 37600], [3, 1, 21, 51568], [0, 2, 9, 51552], [7, 1, 29, 54440], [0, 2, 17, 54432],
            [0, 2, 5, 55888], [5, 1, 26, 23208], [0, 2, 14, 22176], [0, 2, 3, 42704], [4, 1, 23, 21224], [0, 2, 11, 21200],
            [8, 1, 31, 43352], [0, 2, 19, 43344], [0, 2, 7, 46240], [6, 1, 27, 46416], [0, 2, 15, 44368], [0, 2, 5, 21920],
            [4, 1, 24, 42448], [0, 2, 12, 42416], [0, 2, 2, 21168], [3, 1, 22, 43320], [0, 2, 9, 26928], [7, 1, 29, 29336],
            [0, 2, 17, 27296], [0, 2, 6, 44368], [5, 1, 26, 19880], [0, 2, 14, 19296], [0, 2, 3, 42352], [4, 1, 24, 21104],
            [0, 2, 10, 53856], [8, 1, 30, 59696], [0, 2, 18, 54560], [0, 2, 7, 55968], [6, 1, 27, 27472], [0, 2, 15, 22224],
            [0, 2, 5, 19168], [4, 1, 25, 42216], [0, 2, 12, 42192], [0, 2, 1, 53584], [2, 1, 21, 55592], [0, 2, 9, 54560]
        ],
        //是否闰年
        isLeapYear: function (year) {
            return ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0));
        },
        //天干地支年
        lunarYear: function (year) {
            var gan = ['庚', '辛', '壬', '癸', '甲', '乙', '丙', '丁', '戊', '己'],
                zhi = ['申', '酉', '戌', '亥', '子', '丑', '寅', '卯', '辰', '巳', '午', '未'],
                str = year.toString().split("");
            return gan[str[3]] + zhi[year % 12];
        },
        //生肖年
        zodiacYear: function (year) {
            var zodiac = ['猴', '鸡', '狗', '猪', '鼠', '牛', '虎', '兔', '龙', '蛇', '马', '羊'];
            return zodiac[year % 12];
        },
        //公历月份天数
        //@param year 阳历-年
        //@param month 阳历-月
        solarMonthDays: function (year, month) {
            var FebDays = this.isLeapYear(year) ? 29 : 28;
            var monthHash = ['', 31, FebDays, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
            return monthHash[month];
        },
        //农历月份天数
        lunarMonthDays: function (year, month) {
            var monthData = this.lunarMonths(year);
            return monthData[month - 1];
        },
        //农历月份天数数组
        lunarMonths: function (year) {
            var yearData = this.lunarInfo[year - this.MIN_YEAR];
            var leapMonth = yearData[0];
            var bit = (+yearData[3]).toString(2);
            var months = [];
            for (var i = 0; i < bit.length; i++) {
                months[i] = bit.substr(i, 1);
            }

            for (var k = 0, len = 16 - months.length; k < len; k++) {
                months.unshift('0');
            }

            months = months.slice(0, (leapMonth == 0 ? 12 : 13));
            for (var i = 0; i < months.length; i++) {
                months[i] = +months[i] + 29;
            }
            return months;
        },
        //农历每年的天数
        //@param year 农历年份
        lunarYearDays: function (year) {
            var monthArray = this.lunarYearMonths(year);
            var len = monthArray.length;
            return (monthArray[len - 1] == 0 ? monthArray[len - 2] : monthArray[len - 1]);
        },
        //
        lunarYearMonths: function (year) {
            var monthData = this.lunarMonths(year);
            var res = [];
            var temp = 0;
            var yearData = this.lunarInfo[year - this.MIN_YEAR];
            var len = (yearData[0] == 0 ? 12 : 13);
            for (var i = 0; i < len; i++) {
                temp = 0;
                for (j = 0; j <= i; j++) {
                    temp += monthData[j];
                }
                res.push(temp);
            }
            return res;
        },
        //获取闰月
        //@param year 农历年份
        leapMonth: function (year) {
            var yearData = this.lunarInfo[year - this.MIN_YEAR];
            return yearData[0];
        },
        //计算农历日期与正月初一相隔的天数
        betweenLunarDays: function (year, month, day) {
            var yearMonth = this.lunarMonths(year);
            var res = 0;
            for (var i = 1; i < month; i++) {
                res += yearMonth[i - 1];
            }
            res += day - 1;
            return res;
        },
        //计算2个阳历日期之间的天数
        //@param year 阳历年
        //@param month
        //@param day
        //@param l_month 阴历正月对应的阳历月份
        //@param l_day   阴历初一对应的阳历天
        betweenSolarDays: function (year, month, day, l_month, l_day) {
            var time1 = new Date(year + "-" + month + "-" + day).getTime(),
                time2 = new Date(year + "-" + l_month + "-" + l_day).getTime();
            return Math.ceil((time1 - time2) / 24 / 3600 / 1000);
        },
        //根据距离正月初一的天数计算阴历日期
        //@param year 阳历年
        //@param between 天数
        lunarByBetween: function (year, between) {
            var lunarArray = [], yearMonth = [], t = 0, e = 0, leapMonth = 0, m = '';
            if (between == 0) {
                t = 1;
                e = 1;
                m = '正月';
            } else {
                year = between > 0 ? year : (year - 1);
                yearMonth = this.lunarYearMonths(year);
                leapMonth = this.leapMonth(year);
                between = between > 0 ? between : (this.lunarYearDays(year) + between);
                for (var i = 0; i < 13; i++) {
                    if (between == yearMonth[i]) {
                        t = i + 2;
                        e = 1;
                        break;
                    } else if (between < yearMonth[i]) {
                        t = i + 1;
                        e = between - ((yearMonth[i - 1]) ? yearMonth[i - 1] : 0) + 1;
                        break;
                    }
                }

                m = (leapMonth != 0 && t == leapMonth + 1)
                    ? ('闰'.this.chineseMonth(t - 1))
                    : this.chineseMonth(((leapMonth != 0 && leapMonth + 1 < t) ? (t - 1) : t));
            }
            lunarArray.push(year, t, e); //年 月 日
            lunarArray.push(this.lunarYear(year),
                this.zodiacYear(year),
                m,
                this.chineseNumber(e)); //天干地支年 生肖年 月份 日
            lunarArray.push(leapMonth); //闰几月
            return lunarArray;
        },
        //中文月份
        chineseMonth: function (month) {
            var monthHash = ['', '正月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '冬月', '腊月'];
            return monthHash[month];
        },
        //中文日期
        chineseNumber: function (num) {
            var dateHash = ['', '一', '二', '三', '四', '五', '六', '七', '八', '九', '十'];
            if (num <= 10) {
                res = '初' + dateHash[num];
            } else if (num > 10 && num < 20) {
                res = '十' + dateHash[num - 10];
            } else if (num == 20) {
                res = "二十";
            } else if (num > 20 && num < 30) {
                res = "廿" + dateHash[num - 20];
            } else if (num == 30) {
                res = "三十";
            }
            return res;
        },
        //转换农历
        toLunar: function (year, month, day) {
            var yearData = this.lunarInfo[year - this.MIN_YEAR];
            if (year == this.MIN_YEAR && month <= 2 && day <= 9) {
                return [1891, 1, 1, '辛卯', '兔', '正月', '初一'];
            }
            return this.lunarByBetween(year, this.betweenSolarDays(year, month, day, yearData[1], yearData[2]));
        },
        //转换公历
        //@param year  阴历-年
        //@param month 阴历-月，闰月处理：例如如果当年闰五月，那么第二个五月就传六月，相当于阴历有13个月
        //@param date  阴历-日
        toSolar: function (year, month, day) {
            var yearData = this.lunarInfo[year - this.MIN_YEAR];
            var between = this.betweenLunarDays(year, month, day);
            var ms = new Date(year + "-" + yearData[1] + "-" + yearData[2]).getTime();
            var s = ms + between * 24 * 60 * 60 * 1000;
            var d = new Date();
            d.setTime(s);
            year = d.getFullYear();
            month = d.getMonth() + 1;
            day = d.getDate();
            return [year, month, day];
        }
    };

    exports(MOD_NAME, Lunar);
});